Structure of thin metastable epitaxial Fe films on Cu(100): Reconstruction and interface ordering by coating

H. Magnan, D. Chandesris, B. Villette, O. Heckmann, and J. Lecante
Phys. Rev. Lett. 67, 859 – Published 12 August 1991
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Abstract

Surface extended x-ray-absorption fine structure is used to determine the crystallographic structure of iron films grown on Cu(100). We show that these metastable films have structural and vibrational properties strongly dependent on their thickness and their growth temperature: Either a well-defined fcc structure or an anisotropically distorted fcc structure is observed. A strong reordering of the thin iron films prepared at room temperature is observed when they are coated with copper; this shows that it may be incorrect to assume that a thin film is a good simulation of an interface.

  • Received 28 January 1991

DOI:https://doi.org/10.1103/PhysRevLett.67.859

©1991 American Physical Society

Authors & Affiliations

H. Magnan, D. Chandesris, B. Villette, O. Heckmann, and J. Lecante

  • Laboratoire pour l’Utilisation du Rayonnement Electromagnétique, Université de Paris–Sud, F-91405 Orsay, France
  • Service de Physique des Atomes et des Surfaces, Centre d’Etudes Nucléaires, F-91191 Gif-sur-Yvette, France

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Vol. 67, Iss. 7 — 12 August 1991

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